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Microtubules gliding across a surface coated with kinesin-1 motor proteins undergo wear; a process that energetic considerations suggest involves a molecule-by-molecule removal of tubulin proteins.
Anderson localization of light in AlGaN–GaN nanowires is exploited to fabricate ultraviolet laser arrays with a lasing threshold of only a few tens of amperes per centimetre squared at cryogenic temperature.
A hard superconducting gap can be induced in the semiconductor InAs by proximity with aluminium, paving the way for a range of fundamental studies in mesoscopic superconductivity.
Two-dimensional magnetic resonance imaging of hydrogen in organic samples with a resolution of 12 nm can be achieved by using the spin of a nitrogen–vacancy centre in diamond as a sensor.
The spin dynamics of a nanomagnet assembled from three iron atoms can be tuned by atomic exchange coupling with the magnetic tip of a scanning tunnelling microscope.
A high-throughput nanosensor based on a gold nanoparticle and fluorescent proteins allows mechanisms of chemotherapeutic drugs to be screened in minutes, offering a tool for expediting research in drug discovery and toxicology.
Excitation transfer between nitrogen–vacancy centres and graphene can be used to detect the spin of the electron in the nitrogen–vacancy centre through electrical measurements.
The splitting of electron pairs, which is essential for electron-based quantum information processing, can now be obtained with electron pairs that have been generated on-demand.
Stiffness topography with sharp atomic force microscopy tips can be used to generate nanoscale cross-sections of nuclear pore complexes, and suggests that the selective barrier in the complexes consists of a crosslinked network of nuclear pore proteins.
Magnetic droplet solitons are shown to be stable excitations that can be controlled by applied magnetic fields and electrical currents in thin films with perpendicular magnetic anisotropy.